MakeItFrom.com
Menu (ESC)

AWS ERNiCrMo-4 vs. R30605 Cobalt

AWS ERNiCrMo-4 belongs to the nickel alloys classification, while R30605 cobalt belongs to the cobalt alloys. They have a modest 33% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-4 and the bottom bar is R30605 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
210
Elongation at Break, % 28
34
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
81
Tensile Strength: Ultimate (UTS), MPa 790
1130 to 1900

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Melting Completion (Liquidus), °C 1590
1410
Melting Onset (Solidus), °C 1530
1330
Specific Heat Capacity, J/kg-K 410
410
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Density, g/cm3 9.0
9.6
Embodied Carbon, kg CO2/kg material 13
9.8
Embodied Energy, MJ/kg 170
140
Embodied Water, L/kg 280
450

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 22
21
Strength to Weight: Axial, points 24
33 to 55
Strength to Weight: Bending, points 21
25 to 36
Thermal Shock Resistance, points 22
31 to 52

Alloy Composition

Carbon (C), % 0 to 0.020
0.050 to 0.15
Chromium (Cr), % 14.5 to 16.5
19 to 21
Cobalt (Co), % 0 to 2.5
46.4 to 57
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 4.0 to 7.0
0 to 3.0
Manganese (Mn), % 0 to 1.0
1.0 to 2.0
Molybdenum (Mo), % 15 to 17
0
Nickel (Ni), % 50 to 63.5
9.0 to 11
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.080
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 3.0 to 4.5
14 to 16
Vanadium (V), % 0 to 0.35
0
Residuals, % 0 to 0.5
0